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JPanel切換案例

package swing;

public class mains {

public static void main(String[] args) {

new swingJpanelQieHuan();

}

}

package swing;

import java.awt.Color;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.*;

public class swingJpanelQieHuan extends JFrame{

public static JPanel jpRed,jpPink,jpBlueRightBottom1,

jpGreenRightBottom2;

public static JButton anNiu1,anNiu2;

JLabel JLabel1;

public static JLabel JLabel2;

public swingJpanelQieHuan(){

this.setLayout(null);

this.setSize(700,700);

this.setLocationRelativeTo(null);

jpRed=new JPanel();

jpPink=new JPanel();

jpBlueRightBottom1=new JPanel();

jpGreenRightBottom2=new JPanel();

jpRed.setLayout(null);

anNiu1=new JButton("點贊界面");

anNiu2=new JButton("三連關(guān)注界面");

anNiu1.setBounds(150,30,120,30);

anNiu2.setBounds(300,30,120,30);

anNiu1.addActionListener(new swingJpanelShiJian(this));

anNiu2.addActionListener(new swingJpanelShiJian(this));

jpRed.add(anNiu1);jpRed.add(anNiu2);

jpRed.setBorder(BorderFactory.createLineBorder(Color.red));

jpPink.setBorder(BorderFactory.createLineBorder(Color.pink));

jpBlueRightBottom1.setBorder

(BorderFactory.createLineBorder(Color.blue));

jpGreenRightBottom2.setBorder

(BorderFactory.createLineBorder(Color.green));

jpRed.setBounds(10,10,600,150);

jpPink.setBounds(10,170,200,450);

jpBlueRightBottom1.setBounds(220, 170, 380, 450);

jpGreenRightBottom2.setBounds(220, 170, 380, 450);

JLabel1 = new JLabel();

JLabel2=new JLabel();

JLabel1. setIcon(new ImageIcon("img//1.png"));

JLabel2. setIcon(new ImageIcon("img//2.png"));

jpBlueRightBottom1.add(JLabel1);

jpGreenRightBottom2.add(JLabel2);

this.add(jpRed);this.add(jpPink);

this.add(jpGreenRightBottom2);

this.add(jpBlueRightBottom1);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.setVisible(true);

}

}

class swingJpanelShiJian implements ActionListener{

// jieShou接收

// chuangTi窗體

public static swingJpanelQieHuan jieShou;

public swingJpanelShiJian(swingJpanelQieHuan chuangTi){

jieShou=chuangTi;

}

@Override

public void actionPerformed(ActionEvent arg0) {

String neiRong=arg0.getActionCommand();

if(neiRong.equals("點贊界面")){

jieShou.jpBlueRightBottom1.setVisible(true);

jieShou.jpGreenRightBottom2.setVisible(false);

}else if(neiRong.equals("三連關(guān)注界面")){

jieShou.jpBlueRightBottom1.setVisible(false);

jieShou.jpGreenRightBottom2.setVisible(true);

}

}

}

JTree樹形控件點擊內(nèi)容彈出新的窗體

package swing;

public class mains {

public static void main(String[] args) {

new swingJpanelQieHuan();

}

}

package swing;

import java.awt.Color;

import java.awt.Font;

import javax.swing.*;

public class newDengLu extends JFrame{

public static JLabel lb1,lb2,lb3,lb4=null;

public static JTextField txt1=null;

public static JPasswordField pwd=null;

public static JComboBox com=null;

public static JButton btn1,btn2=null;

public newDengLu(){

this.setTitle("詩書畫唱登錄頁面");

this.setLayout(null);

this.setSize(500,400);

this.setLocationRelativeTo(null);

lb1=new JLabel("用戶名");

lb2=new JLabel("用戶密碼");

lb3=new JLabel("用戶類型");

lb4=new JLabel("登錄窗體");

Font f=new Font("微軟雅黑",Font.BOLD,35);

lb4.setFont(f);

lb4.setForeground(Color.red);

lb4.setBounds(160,30,140,40);

lb1.setBounds(100, 100, 70,30);

lb2.setBounds(100,140,70,30);

lb3.setBounds(100,180,70,30);

txt1=new JTextField();

txt1.setBounds(170,100,150,30);

pwd=new JPasswordField();

pwd.setBounds(170,140,150,30);

com=new JComboBox();

com.addItem("會員用戶");

com.addItem("普通用戶");

com.setBounds(170,180,150,30);

btn1=new JButton("登錄");

btn1.setBounds(130,220,70,30);

btn2=new JButton("取消");

btn2.setBounds(240,220,70,30);

this.add(lb1);this.add(lb2);this.add(lb3);

this.add(txt1);this.add(pwd);this.add(com);

this.add(btn1);this.add(btn2);this.add(lb4);

//this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.setVisible(true);

}

}

package swing;

import java.awt.Color;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.*;

import javax.swing.event.TreeSelectionEvent;

import javax.swing.event.TreeSelectionListener;

import javax.swing.tree.DefaultMutableTreeNode;

public class swingJpanelQieHuan extends JFrame{

public static JPanel jpRed,jpPinkLeft,jpBlueRightBottom1,

jpGreenRightBottom2;

public static JTree JTree1,JTree2;

public static JButton anNiu1,anNiu2;

public static JLabel JLabel1,JLabel2;

public swingJpanelQieHuan(){

this.setLayout(null);

this.setSize(700,700);

this.setLocationRelativeTo(null);

jpRed=new JPanel();

jpPinkLeft=new JPanel();

jpBlueRightBottom1=new JPanel();

jpGreenRightBottom2=new JPanel();

jpRed.setLayout(null);

anNiu1=new JButton("點贊界面");

anNiu2=new JButton("三連關(guān)注界面");

anNiu1.setBounds(150,30,120,30);

anNiu2.setBounds(300,30,120,30);

anNiu1.addActionListener(new swingJpanelShiJian(this));

anNiu2.addActionListener(new swingJpanelShiJian(this));

jpRed.add(anNiu1);jpRed.add(anNiu2);

jpRed.setBorder(BorderFactory.createLineBorder(Color.red));

jpPinkLeft.setBorder(BorderFactory.createLineBorder(Color.pink));

jpBlueRightBottom1.setBorder

(BorderFactory.createLineBorder(Color.blue));

jpGreenRightBottom2.setBorder

(BorderFactory.createLineBorder(Color.green));

jpRed.setBounds(10,10,600,150);

jpPinkLeft.setBounds(10,170,200,450);

jpBlueRightBottom1.setBounds(220, 170, 380, 450);

jpGreenRightBottom2.setBounds(220, 170, 380, 450);

JLabel1 = new JLabel();

JLabel2=new JLabel();

JLabel1. setIcon(new ImageIcon("img//1.png"));

JLabel2. setIcon(new ImageIcon("img//2.png"));

jpBlueRightBottom1.add(JLabel1);

jpGreenRightBottom2.add(JLabel2);

?

DefaultMutableTreeNode dmtn1 = new DefaultMutableTreeNode("圖書管理");

DefaultMutableTreeNode dmtn_yonghu = new DefaultMutableTreeNode

("用戶管理");

DefaultMutableTreeNode dmtnQieHuan = new DefaultMutableTreeNode

("切換到登錄界面");

DefaultMutableTreeNode dmtn_yonghu_insert =?

new DefaultMutableTreeNode("增加用戶");

DefaultMutableTreeNode dmtn_yonghu_update =?

new DefaultMutableTreeNode("修改用戶");

DefaultMutableTreeNode dmtn_yonghu_delete =?

new DefaultMutableTreeNode("刪除用戶");

DefaultMutableTreeNode dmtn_yonghu_select =

new DefaultMutableTreeNode("查詢用戶");

DefaultMutableTreeNode dmtn_jieyue =?

new DefaultMutableTreeNode("借閱管理");

DefaultMutableTreeNode dmtn_jieyue_insert =

new DefaultMutableTreeNode("增加借閱信息");

DefaultMutableTreeNode dmtn_jieyue_update =

new DefaultMutableTreeNode("修改借閱信息");

DefaultMutableTreeNode dmtn_jieyue_delete =?

new DefaultMutableTreeNode("刪除借閱信息");

DefaultMutableTreeNode dmtn_jieyue_select =

new DefaultMutableTreeNode("查詢借閱信息");

dmtn_yonghu.add(dmtnQieHuan);

dmtn_yonghu.add(dmtn_yonghu_insert);

dmtn_yonghu.add(dmtn_yonghu_update);

dmtn_yonghu.add(dmtn_yonghu_delete);

dmtn_yonghu.add(dmtn_yonghu_select);

dmtn_jieyue.add(dmtn_jieyue_insert);

dmtn_jieyue.add(dmtn_jieyue_update);

dmtn_jieyue.add(dmtn_jieyue_delete);

dmtn_jieyue.add(dmtn_jieyue_select);

dmtn1.add(dmtn_yonghu);

dmtn1.add(dmtn_jieyue);

JTree1 = new JTree(dmtn1);

JTree1.addTreeSelectionListener(new?

swingJpanelShiJian(this));

JTree1.setBackground(Color.white);

jpPinkLeft.setBackground(Color.white);

// JTree1.setBounds(10,170,200,450);在這里是一句沒效果的代碼

jpPinkLeft.add(JTree1);

this.add(jpRed);this.add(jpPinkLeft);

this.add(jpGreenRightBottom2);

this.add(jpBlueRightBottom1);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.setVisible(true);

}

}

class swingJpanelShiJian implements ActionListener,

TreeSelectionListener{

// jieShou接收

// chuangTi窗體

public static swingJpanelQieHuan jieShou;

public swingJpanelShiJian(swingJpanelQieHuan chuangTi){

jieShou=chuangTi;

}

@Override

public void actionPerformed(ActionEvent arg0) {

String neiRong=arg0.getActionCommand();

if(neiRong.equals("點贊界面")){

jieShou.jpBlueRightBottom1.setVisible(true);

jieShou.jpGreenRightBottom2.setVisible(false);

}else if(neiRong.equals("三連關(guān)注界面")){

jieShou.jpBlueRightBottom1.setVisible(false);

jieShou.jpGreenRightBottom2.setVisible(true);

}

}

@Override

public void valueChanged(TreeSelectionEvent arg0) {

DefaultMutableTreeNode str = (DefaultMutableTreeNode)

jieShou.JTree1

.getLastSelectedPathComponent();

if (str.toString().equals("切換到登錄界面")) {

new newDengLu();

}? else {

}

}

}

JTable初始化表格

package swing;

public class mains {

public static void main(String[] args) {

new swingBiaoGe();

}

}

package swing;

import java.util.Vector;

import javax.swing.*;

import javax.swing.table.DefaultTableModel;

public class swingBiaoGe extends JFrame{

//要聲明 ： 裝載內(nèi)容的容器，table的控件， 容器的標(biāo)題， 容器的具體的內(nèi)容。

public static JTable biaoGe=null;//JTable為表格的控件

//要聲明裝載內(nèi)容的容器，如下：

public static DefaultTableModel DTM=null;

//Vector中：

//一個放標(biāo)題，一個放內(nèi)容

// <Vector<String>>表示只接受集合的類型

Vector<String> biaoTi;

Vector<Vector<String>> neiRong;

public swingBiaoGe(){

this.setLayout(null);

this.setSize(600,600);

this.setLocationRelativeTo(null);

//給標(biāo)題賦值：

biaoTi=new Vector<String>();

biaoTi.add("編號");biaoTi.add("姓名");

biaoTi.add("性別");biaoTi.add("年齡");

//給內(nèi)容賦值：

neiRong=new Vector<Vector<String>>();

for(int i=0;i<5;i++){

Vector<String> v=new Vector<String>();

v.add("編號"+(i+6));v.add("詩書畫唱"+(i+6));

v.add("性別"+(i+6));v.add("年齡"+(i+6));

neiRong.add(v);

}

//將內(nèi)容添加到裝載內(nèi)容的容器中：

DTM=new DefaultTableModel(neiRong,biaoTi);

DTM=new DefaultTableModel(neiRong,biaoTi) {

@Override

public boolean isCellEditable(int a, int b) {

return false;

}

};

biaoGe=new JTable(DTM);

//設(shè)置滾動條：

JScrollPane jsp=new JScrollPane(biaoGe);

jsp.setBounds(10,10,400,400);

this.add(jsp);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.setVisible(true);

}

}

JTable初始化數(shù)據(jù)，數(shù)據(jù)要求鏈接JDBC獲取

create database yonghu

select * from shangpin;

select * from sp_Type;

create table sp_Type(

sp_TypeID int primary key identity(1,1),

sp_TypeName varchar(100) not null

);

insert into sp_Type values('水果');

insert into sp_Type values('零食');

insert into sp_Type values('小吃');

insert into sp_Type values('日常用品');

create table shangpin(

sp_ID int primary key identity(1,1),

sp_Name varchar(100) not null,

sp_Price decimal(10,2) not null,

sp_TypeID int,

sp_Jieshao varchar(300)

);

insert into shangpin values('蘋果',12,1,'好吃的蘋果');

insert into shangpin values('香蕉',2,1,'好吃的香蕉');

insert into shangpin values('橘子',4,1,'好吃的橘子');

insert into shangpin values('娃哈哈',3,2,'好吃營養(yǎng)好');

insert into shangpin values('牙刷',5,4,'全自動牙刷');

package SwingJdbc;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.Vector;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.JTextField;

import javax.swing.table.DefaultTableModel;

public class biaoGe extends JFrame {

class shiJian implements MouseListener, ActionListener {

public biaoGe jieShou = null;

public shiJian(biaoGe chuangTi) {

this.jieShou = chuangTi;

}

@Override

public void actionPerformed(ActionEvent arg0) {

String name = jieShou.wenBenKuangName.getText();

String price = jieShou.wenBenKuangPrice.getText();

String type = jieShou.wenBenKuangTypeId.getText();

String jieshao = jieShou.wenBenKuangJieShao.

getText();

String sql = "insert into shangpin values('" + name + "'" + ", "

+ price + "," + type + ",'" + jieshao + "')";

if (DBUtils.ZSG(sql)) {

JOptionPane.showMessageDialog(null, "增加成功");

jieShou.chaxunchushihua();

} else {

JOptionPane.showMessageDialog(null, "出現(xiàn)了未知的錯誤，增加失敗");

}

}

@Override

public void mouseClicked(MouseEvent arg0) {

if (arg0.getClickCount() == 2) {

int row = jieShou.biaoGe1.getSelectedRow();

jieShou.wenBenKuangBianHao

.setText(jieShou.biaoGe1.getValueAt(

row, 0).toString());

jieShou.wenBenKuangName

.setText(jieShou.biaoGe1.getValueAt(

row, 1).toString());

jieShou.wenBenKuangPrice

.setText(jieShou.biaoGe1.getValueAt(

row, 2).toString());

jieShou.wenBenKuangTypeId

.setText(jieShou.biaoGe1.getValueAt(

row, 3).toString());

jieShou.wenBenKuangJieShao

.setText(jieShou.biaoGe1.getValueAt(

row, 4).toString());

}

if (arg0.isMetaDown()) {

int num = JOptionPane.showConfirmDialog(null, "是否確認刪除這條信息?");

if (num == 0) {

int row = jieShou.biaoGe1

.getSelectedRow();

String sql = "delete shangpin where sp_id="

+ jieShou.biaoGe1.getValueAt(

row, 0) + "";

if (DBUtils.ZSG(sql)) {

JOptionPane.showMessageDialog(null, "冊除成功");

jieShou.chaxunchushihua();

} else {

JOptionPane.showMessageDialog(null, "出現(xiàn)了未知的錯誤，請重試");

}

}

}

}

@Override

public void mouseEntered(MouseEvent arg0) {

// TODO Auto-generated method stub

}

@Override

public void mouseExited(MouseEvent arg0) {

// TODO Auto-generated method stub

}

@Override

public void mousePressed(MouseEvent arg0) {

// TODO Auto-generated method stub

}

@Override

public void mouseReleased(MouseEvent arg0) {

// TODO Auto-generated method stub

}

}

static JButton zengJiaAnNiu = null;

static DefaultTableModel biaoGeMoXing1 = null;

static JScrollPane gunDongTiao = null;

static JTable biaoGe1 = null;

static JLabel wenZiBianHao, wenZiName, wenZiPrice, wenZiTypeId,

?wenZiJieShao;

static JTextField wenBenKuangBianHao, wenBenKuangName,?

wenBenKuangPrice,

wenBenKuangTypeId,

wenBenKuangJieShao;

static Vector<Object> BiaoTiJiHe = null;

static Vector<Vector<Object>> NeiRongJiHe = null;

JPanel mianBan1, mianBan2 = null;

public biaoGe() {

this.setTitle("登錄后的界面");

this.setSize(800, 600);

this.setLayout(null);

this.setLocationRelativeTo(null);

wenZiBianHao = new JLabel("編號");

wenZiName = new JLabel("名稱");

wenZiPrice = new JLabel("價格");

wenZiTypeId = new JLabel("類型ID");

wenZiJieShao = new JLabel("介紹");

zengJiaAnNiu = new JButton("添加數(shù)據(jù)");

zengJiaAnNiu.setBounds(530, 390, 100, 30);

zengJiaAnNiu.addActionListener(new shiJian(this));

this.add(zengJiaAnNiu);

wenZiBianHao.setBounds(560, 100, 70, 30);

wenZiName.setBounds(560, 140, 70, 30);

wenZiPrice.setBounds(560, 180, 70, 30);

wenZiTypeId.setBounds(560, 220, 70, 30);

wenZiJieShao.setBounds(560, 260, 70, 30);

this.add(wenZiBianHao);

this.add(wenZiName);

this.add(wenZiPrice);

this.add(wenZiTypeId);

this.add(wenZiJieShao);

wenBenKuangBianHao = new JTextField();

wenBenKuangBianHao.setEditable(false);

wenBenKuangName = new JTextField();

wenBenKuangPrice = new JTextField();

wenBenKuangTypeId = new JTextField();

wenBenKuangJieShao = new JTextField();

wenBenKuangBianHao.setBounds(640, 100, 130, 30);

wenBenKuangName.setBounds(640, 140, 130, 30);

wenBenKuangPrice.setBounds(640, 180, 130, 30);

wenBenKuangTypeId.setBounds(640, 220, 130, 30);

wenBenKuangJieShao.setBounds(640, 260, 130, 30);

this.add(wenBenKuangBianHao);

this.add(wenBenKuangName);

this.add(wenBenKuangPrice);

this.add(wenBenKuangTypeId);

this.add(wenBenKuangJieShao);

biaoGeFengZhuangFangFa();

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.setVisible(true);

}

//biaoGeFengZhuangFangFa表格的封裝方法

private void biaoGeFengZhuangFangFa() {

BiaoTiJiHe = new Vector<Object>();

BiaoTiJiHe.add("編號");

BiaoTiJiHe.add("名稱");

BiaoTiJiHe.add("價格");

BiaoTiJiHe.add("類型");

BiaoTiJiHe.add("介紹");

String sql = "select * from shangpin";

ResultSet res = DBUtils.Select(sql);

try {

NeiRongJiHe = new Vector<Vector<Object>>();

while (res.next()) {

Vector<Object> v = new Vector<Object>();

v.add(res.getInt("sp_ID"));

v.add(res.getString("sp_Name"));

v.add(res.getDouble("sp_price"));

v.add(res.getInt("sp_TypeID"));

v.add(res.getString("sp_Jieshao"));

NeiRongJiHe.add(v);

}

biaoGeMoXing1 = new DefaultTableModel(NeiRongJiHe,

BiaoTiJiHe) {

@Override

public boolean isCellEditable(int a, int b) {

return false;

}

};

biaoGe1 = new JTable(biaoGeMoXing1);

biaoGe1.addMouseListener(new shiJian(this));

biaoGe1.setBounds(0, 0, 500, 500);

gunDongTiao= new JScrollPane(biaoGe1);

gunDongTiao .setBounds(0, 0, 550, 150);

mianBan1 = new JPanel();

mianBan1.add(gunDongTiao );

mianBan1.setBounds(0, 0, 550, 250);

this.add(mianBan1);

} catch (SQLException e) {

e.printStackTrace();

}

}

public void chaxunchushihua() {

if (this.mianBan1 != null) {

this.remove(mianBan1);

}

biaoGeFengZhuangFangFa();

// 釋放資源:this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.setVisible(true);

}

}

package SwingJdbc;

import java.sql.*;

public class DBUtils {

static Connection con=null;

static Statement sta=null;

static ResultSet res=null;

//在靜態(tài)代碼塊中執(zhí)行

static{

try {

Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");

} catch (ClassNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

//封裝鏈接數(shù)據(jù)庫的方法

public static Connection getCon(){

if(con==null){

try {

con=DriverManager.getConnection

("jdbc:sqlserver://localhost;databaseName=yonghu","qqq","123");

} catch (SQLException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

return con;

}

//查詢的方法

public static ResultSet Select(String sql){

con=getCon();//建立數(shù)據(jù)庫鏈接

try {

sta=con.createStatement();

res=sta.executeQuery(sql);

} catch (SQLException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

return res;

}

//增刪改查的方法

// 返回int類型的數(shù)據(jù)

public static boolean ZSG(String sql){

con=getCon();//建立數(shù)據(jù)庫鏈接

boolean b=false;

try {

sta=con.createStatement();

int num=sta.executeUpdate(sql);

//0就是沒有執(zhí)行成功，大于0 就成功了

if(num>0){

b=true;

}

} catch (SQLException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

return b;

}

}

package SwingJdbc;

public class mains {

public static void main(String[] args) {

new biaoGe();

}

}